2010年職稱英語理工類AB級每日一練（2.11）

5、The most crucial problem any economic system faces is how to use its scarce resources.
    A)puzzling
    B) difficult
    C) terrifying
    D) urgent
    標準答案： d
    6、He made an immense amount of money in business.
    A)large
    B) small
    C) limited
    D) little
    標準答案： a